diff --git a/track-uniapp/src/pages/scan/components/WorkspaceArea.vue b/track-uniapp/src/pages/scan/components/WorkspaceArea.vue
index fa0d0f5..fa58475 100644
--- a/track-uniapp/src/pages/scan/components/WorkspaceArea.vue
+++ b/track-uniapp/src/pages/scan/components/WorkspaceArea.vue
@@ -44,6 +44,10 @@
         <text class="lock-title">🔒 沉浸工作区</text>
       </view>
 
+      <view v-if="isAdminProxy" class="admin-proxy-notice">
+        <text class="proxy-text">⚠️ 正在以管理员身份代 [{{ formatUserName(lockedTask.assignee_id) || lockedTask.assignee_id }}] 操作</text>
+      </view>
+
       <view class="focus-card" :class="statusColor(lockedTask.status)">
         <view class="fc-header">
           <text class="tag-branch">{{ branchLabelsMap[lockedTask.id] || '' }}</text>
@@ -78,9 +82,6 @@
         <view class="fc-time">{{ formatTaskTime(lockedTask) }}</view>
       </view>
 
-      <view v-if="isAdminProxy" class="admin-proxy-notice">
-        <text class="proxy-text">⚠️ 正在以管理员身份代 [{{ formatUserName(lockedTask.assignee_id) || lockedTask.assignee_id }}] 操作</text>
-      </view>
       <view v-if="isAssignee" class="footer-actions">
         <button v-if="lockedTask.status === 'WIP'" class="footer-btn footer-transfer"
           @tap="$emit('action', { task: lockedTask, type: 'transfer' })"><text class="btn-icon">🔄</text><text class="btn-txt">完工转交</text></button>
@@ -270,7 +271,7 @@ export default {
 .lock-title { font-size: 14px; font-weight: 700; color: #1f2937; }
 .branch-done { font-size: 11px; font-weight: 600; color: #16a34a; }
 .task-count { font-size: 12px; color: #9ca3af; display: block; margin-top: 4px; }
-.focus-card { height: 100%; margin: 0 4px; padding: 20px 16px; border-radius: 16px; background: #fff; box-shadow: 0 2px 12px rgba(0,0,0,0.08); overflow-y: auto; border-top: 5px solid #3b82f6; }
+.focus-card { flex: 1; min-height: 0; margin: 0 4px; padding: 20px 16px calc(160rpx + env(safe-area-inset-bottom)); border-radius: 16px; background: #fff; box-shadow: 0 2px 12px rgba(0,0,0,0.08); overflow-y: auto; border-top: 5px solid #3b82f6; }
 .focus-card.s-yellow { border-top-color: #f59e0b; }
 .focus-card.s-blue { border-top-color: #3b82f6; }
 .focus-card.s-green { border-top-color: #22c55e; }
@@ -292,13 +293,13 @@ export default {
 .zero-task { display: flex; flex-direction: column; align-items: center; padding: 24px 0; }
 .zero-icon { font-size: 40px; margin-bottom: 8px; }
 .zero-text { font-size: 14px; color: #9ca3af; }
-.footer-actions { display: flex; gap: 12rpx; padding: 16rpx 20rpx; padding-bottom: calc(16rpx + env(safe-area-inset-bottom)); background: #ffffff; box-shadow: 0 -2rpx 10rpx rgba(0,0,0,0.05); flex-shrink: 0; }
+.footer-actions { position: fixed; left: 0; right: 0; bottom: 0; z-index: 50; display: flex; gap: 12rpx; padding: 16rpx 20rpx; padding-bottom: calc(16rpx + env(safe-area-inset-bottom)); background: #ffffff; border-top: 1px solid #e5e7eb; box-shadow: 0 -2rpx 10rpx rgba(0,0,0,0.05); }
 .footer-btn { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100rpx; border: none; border-radius: 16rpx; line-height: 1.2; padding: 0; }
 .footer-btn::after { border: none; }
 .btn-icon { font-size: 36rpx; margin-bottom: 6rpx; }
 .btn-txt { font-size: 24rpx; font-weight: 700; }
 .footer-readonly { justify-content: center; background: #fef2f2; }
-.admin-proxy-notice { padding: 10rpx 20rpx; background: #fef9e7; border-top: 2rpx solid #fde68a; flex-shrink: 0; }
+.admin-proxy-notice { padding: 10rpx 20rpx; background: #fef9e7; border-bottom: 2rpx solid #fde68a; flex-shrink: 0; }
 .proxy-text { font-size: 22rpx; color: #b45309; font-weight: 600; }
 .readonly-hint { font-size: 24rpx; color: #dc2626; font-weight: 600; }
 .footer-transfer { background: #dcfce7; color: #16a34a; }